<!--
	网络请求
-->


<!DOCTYPE html>  
<html>  
<head>  
<meta charset="UTF-8"/>  
<script type="text/javascript">  
document.addEventListener('plusready', function(){  
var xhr = new plus.net.XMLHttpRequest();  
xhr.onreadystatechange = function () {  
switch ( xhr.readyState ) {  
case 0:  
alert( "xhr请求已初始化" );  
break;  
case 1:  
alert( "xhr请求已打开" );  
break;  
case 2:  
alert( "xhr请求已发送" );  
break;  
case 3:  
alert( "xhr请求已响应");  
break;  
case 4:  
if ( xhr.status == 200 ) {  
alert( "xhr请求成功："+xhr.responseText );  
} else {  
alert( "xhr请求失败："+xhr.readyState );  
}  
break;  
default :  
break;  
}  
}  
xhr.open( "GET", "http://www.baidu.com/" );  
xhr.send();  
}, false );  
</script>  
</head>  
<body onload="onload();">  
</body>  
</html>  